Capitulo 5 Mini Casos

Selección Multiple
Capitulo 6

1. | | In a database, the smallest unit of data a computer can handle is a:  Your Answer: | Bit. |
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  | Correct |
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2. | | The confusion created by dataredundancy makes it difficult for companies to:  Your Answer: | integrate data from different sources. |
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  | Correct |
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3. | | Data redundancy occurs when:  Your Answer: | fields in manydifferent files contain the same information. |
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  | Correct |
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4. | | The data dictionary is the automated or manual file that:  Your Answer: | stores information about data elements anddata characteristics. |
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  | Correct |
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5. | | The most prominent data manipulation language today is:  Your Answer: | SQL. |
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  | Correct |
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6. | | This database model uses aseries of logically related two-dimensional tables or files to store information:  Your Answer: | relational database. |
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  | Correct |
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7. | | Network DBMS depict data logically as: Your Answer: | Many-to-many relationships. |
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  | Correct |
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8. | | This database model is well suited to handle graphics-based or multimedia applications:  Your Answer: | Object-orientedDBMS. |
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  | Correct |
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9. | | In a DBMS, the capability to specify the structure of the content of the database is referred to as  Your Answer: | Data definition. |
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  | Correct |
|10. | | The process of creating small, stable, yet flexible and adaptive data structures from complex groups of data is called  Your Answer: | Normalization. |
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  | Correct |
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11. | |An entity-relationship diagram is a graphic method of presenting  Your Answer: | entity classes and their relationships. |
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  | Correct |
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12. | | A database that is stored in more than onephysical location is called a(n)  Your Answer: | Distributed database. |
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  | Correct |
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13. | | A data warehouse may include:  Your Answer: | Legacy systems. |
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  | Correct |
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